Document hanger



FIG. 1 is an inverted bottom perspective view of a document hanger showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view of FIG. 3; and

FIG. 5 is a left side elevational view of FIG. 3. 

The ornamental design for a document hanger, as shown and described. 